C31232233133313221211113313331333133313331212111133133313132322132223131   >>    C3123223313331322121111331333133313331333121211113313331313232213222313   <<    C31232233133313221211113313331333133313331212111133133313132322132223133   >>      C31232233133313221211113313331333133313331212111133133313132322132223132   >>